In rec.woodworking, woodchucker wrote:
yes they are 9.95 now, they've been on sale twice in the 6 months.
The 22.95 is labeled Shop fox, while the 9.95 is grizzly. The griz says
110v while the shop fox is 120v but the will handle 120. It's all about
the amps, not the 10v.

Quite often a 120V/20A rated switch is also suitable for 240V/10A. There
would appear to be a somewhat linear relationship for V to A ratings in
the range of ~100V to ~400V. Going to further extremes might not be
recommended. My first year physics rule of thumb was 100V per millimeter
of spark, so with higher voltages sparks cover larger air-gaps. And with
higher amps at low voltages there would be heat problems.

Elijah
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and the ozone from those sparks smells awful